#ifndef _WX_SLIDER_H_BASE_
#define _WX_SLIDER_H_BASE_

// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------

#include "wx/defs.h"

#if wxUSE_SLIDER

#include "wx/control.h"

// ----------------------------------------------------------------------------
// wxSlider flags
// ----------------------------------------------------------------------------

#define wxSL_HORIZONTAL      wxHORIZONTAL /* 0x0004 */
#define wxSL_VERTICAL        wxVERTICAL   /* 0x0008 */
#define wxSL_TICKS           0x0010
#define wxSL_AUTOTICKS       wxSL_TICKS // we don't support manual ticks
#define wxSL_LABELS          0x0020
#define wxSL_LEFT            0x0040
#define wxSL_TOP             0x0080
#define wxSL_RIGHT           0x0100
#define wxSL_BOTTOM          0x0200
#define wxSL_BOTH            0x0400
#define wxSL_SELRANGE        0x0800
#define wxSL_INVERSE         0x1000
#define wxSL_NOTIFY_DRAG     0x0000

extern const wxChar wxSliderNameStr[];

// ----------------------------------------------------------------------------
// wxSliderBase: define wxSlider interface
// ----------------------------------------------------------------------------

class wxSliderBase : public wxControl {
  public:
    wxSliderBase() { }

    // get/set the current slider value (should be in range)
    virtual int GetValue() const = 0;
    virtual void SetValue( int value ) = 0;

    // retrieve/change the range
    virtual void SetRange( int minValue, int maxValue ) = 0;
    virtual int GetMin() const = 0;
    virtual int GetMax() const = 0;
    void SetMin( int minValue ) { SetRange( minValue, GetMax() ) ; }
    void SetMax( int maxValue ) { SetRange( GetMin(), maxValue ) ; }

    // the line/page size is the increment by which the slider moves when
    // cursor arrow key/page up or down are pressed (clicking the mouse is like
    // pressing PageUp/Down) and are by default set to 1 and 1/10 of the range
    virtual void SetLineSize( int lineSize ) = 0;
    virtual void SetPageSize( int pageSize ) = 0;
    virtual int GetLineSize() const = 0;
    virtual int GetPageSize() const = 0;

    // these methods get/set the length of the slider pointer in pixels
    virtual void SetThumbLength( int lenPixels ) = 0;
    virtual int GetThumbLength() const = 0;

    // warning: most of subsequent methods are currently only implemented in
    //          wxMSW under Win95 and are silently ignored on other platforms

    virtual void SetTickFreq( int ( n ), int ( pos ) ) { }
    virtual int GetTickFreq() const { return 0; }
    virtual void ClearTicks() { }
    virtual void SetTick( int ( tickPos ) ) { }

    virtual void ClearSel() { }
    virtual int GetSelEnd() const { return GetMin(); }
    virtual int GetSelStart() const { return GetMax(); }
    virtual void SetSelection( int ( min ), int ( max ) ) { }

  protected:

    // adjust value according to wxSL_INVERSE style
    virtual int ValueInvertOrNot( int value ) const {
      if( HasFlag( wxSL_INVERSE ) ) {
        return ( GetMax() + GetMin() ) - value;
      } else
      { return value; }
    }

  private:
    DECLARE_NO_COPY_CLASS( wxSliderBase )
};

#include "wx/gtk/slider.h"

#endif // wxUSE_SLIDER

#endif
// _WX_SLIDER_H_BASE_
